Photos
Common Names
Echinoderms
Classes
???
100
The class this echinoderm is in.
What is Asteroidea?
100
The common name(s) of the animals in class Asteroidea.
What are sea stars?
100
The type of symmetry seen in echinoderms.
What is pentaradial symmetry? (or radial symmetry)
100
The class of echinoderm that has a stomach that can be extruded from the body for feeding.
What is Asteroidea?
100
The phylum that echinoderms are in
What is Echinodermata?
200
The class this echinoderm is in
What is Echinoidea?
200
The common name(s) of the animals in class Holothuroidea.
What are sea cucumbers?
200
The special system for movement and/or feeding that is unique to echinoderms.
What is the water vascular system?
200
The class of echinoderm that has only few ossicles in its body rather than a fully formed endoskeleton.
What is class holothuroidea?
200
The two classes of echinoderm that use tube feet for feeding rather than movement.
What are Ophiuroidea and Crinoidea?
300
The class this echinoderm is in
What is Ophiuroidea?
300
The common name(s) of the animals in class Ophiuroidea.
What are brittle stars and basket stars?
300
The small projections that enable breathing in echinoderms.
What are skin gills? (papulla)
300
The class that have mouths that face up and use their tube feet for filter feeding.
What is Crinoidea?
300
What happens when you cut a sea star in half.
What is regeneration & the possibility of two sea stars forming?
400
The class that this echinoderm is in
What is Crinoidea?
400
The common name(s) of the animals in class Crinoidea.
What are sea lilies and feather stars?
400
The meaning of the word echinodermata
What is "spiny-skin"?
400
The class that has fused skeletons and use both tube feet & spines for movement
What is Echinoidea?
400
The main reproductive method of echinoderms
What is spawning? (external fertilization)
500
The class that this echinoderm is in
What is Holothuroidea?
500
The common name(s) of the animals in class Echinoidea.
What are sea urchins, sand dollars, and sea biscuits?
500
List THREE parts of the water vascular system
Includes tube feet, ampulla,madreporite (sieve plate), radial canal, stone canal, and ring canal.
500
The class with a two way digestive system and snake-like movement of the arms
What is Ophiuroidea?
500
The centralized nervous system in echinoderms and ONE defensive technique used by an echinoderm (indicate the type of echinoderm)
What is the nerve ring? AND Various answers including evisceration of digestive system in sea cucumbers or sharp spines for sea urchins